CVE-2023-4504

highpriority · track · 38EPSS 0.006 · 50 %ileexploit · PoCDEEUNLRUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.64% (50th) EPSS

CVSS 7 · high

Is it mine?

41 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution. This issue has been fixed in CUPS version 2.4.7, released in September of 2023.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.8

v3.17highCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1 · impact 5.9

v3.17.8highAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17highCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17highCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 1 · impact 5.9

v3.16.6mediumCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-122USCWE-122USCWE-122USCWE-787US

exploits (1)

Public proof-of-concept and weaponised exploit code.

djjohnson565/CUPS-ExploitHeap-based buffer overflow example based on CVE-2023-4504PoC · poc_in_github

affected products (41)

Products and version ranges known to be affected.

SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Xerox FreeFlow Print Server 9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:9
Xerox FreeFlow Print Server v2 / Windows 10all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v2__windows_10
Xerox FreeFlow Print Server v7all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v7
Xerox FreeFlow Print Server v9all versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v9
Xerox FreeFlow Print Server v9 for Solarisall versionscert_bundDEcpe:/a:xerox:freeflow_print_server:v9_for_solaris
OpenPrinting cups0 → 2.4.6enisa_euvdEU
OpenPrinting libppd0 → d09348benisa_euvdEU
Canonical Ltd. Ubuntu≤ 18.04 ESMfstec_bduRU
Canonical Ltd. Ubuntu≤ 20.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 16.04 ESMfstec_bduRU
Canonical Ltd. Ubuntu≤ 22.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 23.04fstec_bduRU
Fedora Project Fedora≤ 38fstec_bduRU
Fedora Project Fedora≤ 37fstec_bduRU
Fedora Project Fedora≤ 39fstec_bduRU
OpenPrinting libppd≤ 2.0rc2fstec_bduRU
АО «ИВК» АЛЬТ СП 10all versionsfstec_bduRU
АО «ИВК» Альт 8 СПall versionsfstec_bduRU

showing 20 of 41

advisories (4)

Vendor and ecosystem advisories describing this.

NCSC-2024-0381Kwetsbaarheden verholpen in Apple MacOSNL2024-09-26csaf · ncsc_nlNL
Apple heeft kwetsbaarheden verholpen in MacOS
WID-SEC-W-2023-2402CUPS: Schwachstelle ermöglicht CodeausführungDeutsch2023-09-20csaf · cert_bundDE
Ein entfernter Angreifer kann eine Schwachstelle in CUPS ausnutzen, um beliebigen Programmcode auszuführen.
WID-SEC-W-2023-2917Xerox FreeFlow Print Server: Mehrere SchwachstellenDeutsch2023-11-14csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um die Vertraulichkeit, Verfügbarkeit und Integrität des Systems zu gefährden.
WID-SEC-W-2024-2154Apple macOS: Mehrere SchwachstellenDeutsch2024-09-16csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apple macOS ausnutzen, um seine Privilegien zu erhöhen, einen Denial-of-Service-Zustand herbeizuführen, Spoofing-Angriffe durchzuführen, Daten zu ändern, Sicherheitsmaßnahmen zu umgehen und vertrauliche Informationen offenzulegen

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl NVD CVE.org MITRE

published 2023-09-21modified 2026-06-17

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references (35)

External citations — patches, advisories, analysis.

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